Malignant myoepithelioma of the salivary gland--an untypical clinical course.

Abstract	A case of malignant tumor developing from myoepithelial cells (malignant myoepithelioma) is presented. The primary focus was located in the region of the left submandibular salivary gland. A relapse and metastases were disclosed in the same salivary gland, in the lung and the left breast. Immunohistochemical studies demonstrated positive reactions for S-100 protein, cytokeratins, smooth muscle actin, vimentin, GFAP protein, p53 protein and Ki-67 antigen, and allowed for establishing the final histopathological diagnosis of malignant myoepithelioma.
Authors	Wojciech Rzeszutko, Piotr Kasprzak, Piotr Dziegiel, Marta Rzeszutko, Mirosław Sopel
Journal	Polish journal of pathology : official journal of the Polish Society of Pathologists (Pol J Pathol) Vol. 55 Issue 3 Pg. 35-8 ( 2004) ISSN: 1233-9687 [Print] Poland
PMID	15619979 (Publication Type: Case Reports, Journal Article)
Chemical References	Biomarkers, Tumor
Topics	Adult Biomarkers, Tumor (analysis) Breast Neoplasms (secondary, surgery) Female Humans Immunohistochemistry Myoepithelioma (chemistry, secondary, surgery) Neoplasm Recurrence, Local Submandibular Gland Neoplasms (chemistry, pathology, surgery)

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